Projects

CSEMP assessment of anthracene in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean153.7957.39-23.8947.79
linear255.0563.05-23.5247.050.742 10.3892
smooth (df = 2)356.9073.56-23.4546.900.149 10.6998

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20052013-0.1861-0.5939-0.4078 0.4556-0.8950.4052
last 20 years20052013-0.1861-0.5939-0.4078 0.4556-0.8950.4052

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.55 5.002.2030.277 7.9650.0001
ERL 0.5585.005.0370.27718.206<0.0001

 


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for in sediment
  • Accessment criteria for in sediment